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Union Protests Spread Across the U.S.

It appears that 2011 is the year of the protest—both foreign and domestic--and it's not just a Wisconsin phenomenon. The National Conference of State Legislatures is tracking an explosion of 744 bills that largely target public-sector unions, introduced in virtually every state. Among the most emboldened are the tea party-backed governors who are now feeling the blowback from a different flavor of popular uprising.

Amendments to block labor unions from engaging in collective bargaining with the government over salaries and benefits for public workers are sparking protests. Clickon the map to see which states have proposed collective-bargaining amendments and follow our updates on the protests.

Catherine Hollander and Kevin Brennan contributed contributed to this article.